T-Mobile US Inc. (NASDAQ:TMUS)

The return on equity (ROE) exhibited a significant upward trend over the observed period, though with notable fluctuations. Initially, ROE was relatively low, increasing from 0.25% in 2013 to 1.58% in 2014. The period between 2015 and 2017 demonstrated substantial growth, culminating in a peak of 20.11% in 2017. Subsequent years saw a decrease, reaching 4.38% in 2021, before experiencing another period of growth to 18.57% in 2025.

Net Income Trend

Net income generally increased over the period, with a particularly strong surge between 2015 and 2017. While net income experienced a decline in 2018, it remained relatively stable until 2022, after which it increased significantly in 2023 and 2024, before a slight decrease in 2025. This growth in net income appears to be a primary driver of the observed ROE fluctuations.

Stockholders’ Equity Trend

Stockholders’ equity demonstrated a consistent upward trend from 2013 to 2021. A substantial increase occurred between 2020 and 2021. However, from 2022 onwards, stockholders’ equity began to decline, though remaining at a high level relative to earlier years. The initial growth in equity, coupled with the later stabilization and slight decline, influenced the ROE calculations.

ROE – Phase 1 (2013-2017)

From 2013 to 2017, ROE experienced exponential growth. This coincided with a period of rapid net income expansion. The increase in ROE suggests improved profitability relative to shareholder investment during this phase.

ROE – Phase 2 (2018-2021)

Between 2018 and 2021, ROE decreased, despite generally positive net income. This decrease is attributable to the faster growth of stockholders’ equity during this period. The dilution effect of increased equity lowered the return generated per dollar of equity.

ROE – Phase 3 (2022-2025)

From 2022 to 2025, ROE increased again, driven by a substantial increase in net income, even as stockholders’ equity experienced a slight decline. This suggests a renewed improvement in profitability relative to shareholder investment.

Overall, the ROE demonstrates a dynamic relationship with both net income and stockholders’ equity. The company’s ability to generate profits relative to its equity base has varied considerably over the period, with periods of strong growth followed by stabilization and subsequent improvement.